1. SCOPE

1.1 This test method covers the determination of the dc volume resistivity of a smooth, preferably polished, glass by measuring the resistance to passage of a small amount of direct current through the glass at a voltage high enough to assure adequate sensitivity. This current must be measured under steady-state conditions that is neither a charging current nor a space-charge, buildup polarization current.

1.2 This test method is intended for the determination of resistivities less than 1016 Ω·cm in the temperature range from 25°C to the annealing point of the glass.

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Fulfilling the directive of our founder and benefactor, the Edward Orton Jr. Ceramic Foundation deploys its profits to support studies and research at the university level to promote and advance the science of materials processing.